Protective knee pad



FIG. 1 is a perspective view of a protective knee pad showing my new design;

FIG. 2 is a front elevation view of the protective knee pad of FIG. 1 ;

FIG. 3 is a back elevation view of the protective knee pad of FIG. 1 ;

FIG. 4 is a first side elevation view of the protective knee pad of FIG. 1 ;

FIG. 5 is a second side elevation view of the protective knee pad of FIG. 1 ;

FIG. 6 is a top plan view of the protective knee pad of FIG. 1 ;

FIG. 7 is a bottom plan view of the protective knee pad of FIG. 1 ;

FIG. 8 is a side elevation view of a protective knee pad of FIG. 1 showing detachment of the strap; and,

FIG. 9 is a top plan view of the protective knee pad of FIG. 1 showing detachment of the strap.

The broken lines shown in FIGS. 1-9 are for the purpose of illustrating portions of the protective knee pad that form no part of the claimed design. 

CLAIM I claim the ornamental design for a protective knee pad, as shown and described. 